Diseases spread internationally.
疾病在国际上传播。
Other diseases spread indirectly.
另一些疾病间接传染。
Some diseases spread by contagion.
有些疾病藉传染蔓延。
Infectious diseases spread. Water and air pollution spread.
传染病在传播，水和空气污染在传播。
She studies how diseases spread and how they can be controlled.
她研究疾病如何传播以及可以如何加以控制。
Warmer winter temperatures will help insects and plant diseases spread.
越来越暖和的冬天有利于昆虫的繁殖和植物疾病的传播。
Periods when diseases spread around the world are called pandemics.
疾病在全世界范围内传播时期称为大流行。
With 80% of infectious diseases spread by our hands, it's clear that washing them is important.
的传染病是由手传播的，显然将手洗干净非常重要。
Environmental management effectively lowers the rates of malaria and other diseases spread by insects and prevents death.
环境管理可有效地降低疟疾和由昆虫传播的其他疾病的发病率，亦可有效地预防死亡。
Reduced dependence on long-distance transportation also reduces the rapidity with which diseases spread and makes it easier to contain them.
对长距离交通依赖的减少同样也会减少疾病传播的速度。
The researchers published their findings in the American Journal of Epidemiology. Epidemiology is the study of how diseases spread and how they can be controlled.
研究人员在《美国流行病学》杂志上发表了他们的研究结果。流行病学研究疾病如何传播及控制。
Conclusion College students have low infection rate of diseases spread by blood. They are the major safeguard to acquiring safe blood and the main force of unpaid blood donation.
结论在校大学生经血传播疾病感染率较低，是获取安全血液的主要保障，是无偿献血的主力军。
Entering the new century, our country faces various problems such as natural disaster, biological invasions, shortage of resources, environment pollution, food safety and diseases spread and so on.
进入新世纪，我国面临自然灾害、生物入侵、资源短缺、环境污染、食物安全和疾病传播等多方面的问题。
Will global warming mean the spread of tropical parasitic diseases?
全球变暖将会意味着热带寄生虫病的传播吗？
If no people clean streets and take the rubbish away, terrible diseases will soon appear and spread easily.
如果没有人打扫街道，把垃圾带走，可怕的疾病很快就会出现并且很容易传播。
Scientists think this is the plants' way to prevent the spread of any tree diseases and make life more difficult for leaf-eating insects like caterpillars.
科学家认为，这是植物防止树木疾病传播的方法，并给像毛毛虫之类的食叶昆虫制造些生存上的困难。
The emergence and spread of new diseases is one example.
新疾病的出现和传播是一个例子。
This could lead to the spread of diseases, the death of their bees or huge swarms in their neighbours' gardens.
这样一来可能导致疾病的蔓延，导致他们自己的蜜蜂或临近花园里大群蜜蜂的死亡。
疾病能够快速传播。
Without clean water, diseases are likely to spread quickly.
没有洁净的水，疾病可能会快速蔓延。
His colleagues, meanwhile, are examining how the spread of diseases such as malaria and AIDS can be thought of as information systems.
与此同时，他的同事们正在分析如何把疟疾和AIDS等疾病的传播想象成信息系统的学习过程。
Some diseases will spread, such as malaria carried by mosquitoes.
一些疾病会蔓延，如靠蚊子传播的疟疾。
One approach IBM hopes to take is to develop software that will help predict how diseases might spread.
IBM打算采用的方法是开发一种能够辅助预测“疾病可能如何扩散”的软件。
Although the chytrid fungus and other diseases can spread naturally among frogs, Blaustein noted that human destruction of their habitat is also to blame.
布劳斯汀强调，虽然壶菌和其他疾病可以在蛙类中自然传播，但人类对其栖息地的破坏也应受到谴责。
The IHR (2005) aim at preventing the international spread of diseases while limiting unnecessary restrictions on the free movement of travellers.
《国际卫生条例（2005）》的目的是：预防疾病的国际传播，同时减少对旅行者自由行动的不必要限制。
Hand washing can also prevent the spread of other diseases.
洗手也可以预防其它疾病的传播。
The spread of cocoa tree specific diseases is also slowed.
可可树的某些特定疾病的传播也得以减缓了。
The spread of cocoa tree specific diseases is also slowed.
可可树的某些特定疾病的传播也得以减缓了。
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